4399在线视频免费观看

水(shui)利、水(shui)電、公(gong)路、土石方工(gong)(gong)程(cheng)(cheng)建(jian)設項目施(shi)工(gong)(gong)；市政工(gong)(gong)程(cheng)(cheng)施(shi)工(gong)(gong)；建(jian)筑工(gong)(gong)程(cheng)(cheng)施(shi)工(gong)(gong)；機電安(an)裝工(gong)(gong)程(cheng)(cheng)施(shi)工(gong)(gong)；電力(li)設施(shi)承裝、承修、承試(shi)；綠化工(gong)(gong)程(cheng)(cheng)施(shi)工(gong)(gong)；管(guan)道工(gong)(gong)程(cheng)(cheng)施(shi)工(gong)(gong)；地基(ji)(ji)與基(ji)(ji)礎工(gong)(gong)程(cheng)(cheng)施(shi)工(gong)(gong)；橋涵(han)修建(jian)、河道疏浚(jun)、鑿(zao)井工(gong)(gong)程(cheng)(cheng)施(shi)工(gong)(gong)；灌(guan)溉、排水(shui)工(gong)(gong)程(cheng)(cheng)施(shi)工(gong)(gong)；溫室(shi)大棚工(gong)(gong)程(cheng)(cheng)施(shi)工(gong)(gong)；光伏組(zu)件、光伏設備、光伏電池組(zu)件安(an)裝。（壓力(li)管(guan)道及(ji)其他需(xu)專項審批(pi)的除外）（依法須經(jing)批(pi)準的項目，經(jing)相關(guan)部門批(pi)準后方可開展經(jing)營活動）。